VERAPAMIL - ORAL

VERAPAMIL - ORAL

PHONETIC PRONUNCIATION: (ver-AP-a-mil)

COMMON BRAND NAME(S): Calan, Isoptin

GENERIC NAME(S): verapamil HCl

Uses

USES: Verapamil is used to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Verapamil belongs to a class of drugs known as calcium channel blockers. It works by relaxing blood vessels so blood can flow more easily. Verapamil is also used to prevent chest pain (angina). It may help to increase your ability to exercise and decrease how often you may get angina attacks. Verapamil is also used to control your heart rate if you have a fast/irregular heartbeat (such as atrial fibrillation). It helps to lower the heart rate, helping you to feel more comfortable and increase your ability to exercise.


How to use VERAPAMIL - ORAL

HOW TO USE: Take this medication by mouth with or without food as directed by your doctor, usually 3 or 4 times daily. The dosage is based on your medical condition and response to treatment. Use this medication regularly to get the most benefit from it. To help you remember, take it at the same times each day. For the treatment of high blood pressure, it may take a week before you get the full benefit of this drug. Keep taking this medication even if you feel well. Most people with high blood pressure do not feel sick. To prevent chest pain, it is very important to take this medication regularly as prescribed. This drug should not be used to treat chest pain when it occurs. Use other medications to relieve sudden attacks as directed by your doctor (for example, nitroglycerin tablets placed under the tongue). Consult your doctor or pharmacist for details. Do not stop taking this medication without consulting your doctor. Some conditions may become worse when this drug is suddenly stopped. Your dose may need to be gradually decreased. Tell your doctor if your condition does not get better or if it gets worse (for example, your blood pressure readings remain high or increase or your chest pain occurs more often).

Side Effects

SIDE EFFECTS: Dizziness, slow heartbeat, constipation, nausea, headache, or tiredness may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. To lower your risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: severe dizziness, fainting, new or worsening symptoms of heart failure (such as shortness of breath, swelling ankles/feet, unusual tiredness, unusual/sudden weight gain), very slow heartbeat. This drug may rarely cause serious (possibly fatal) liver disease. Get medical help right away if you have any symptoms of liver damage, such as: nausea/vomiting that doesn't stop, loss of appetite, stomach/abdominal pain, yellowing eyes/skin, dark urine. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Precautions

PRECAUTIONS: Before taking verapamil, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: certain types of heart rhythm problems (such as second- or third-degree atrioventricular block, sick sinus syndrome unless you have a pacemaker, Wolff-Parkinson-White syndrome, Lown-Ganong-Levine syndrome), heart failure, certain muscle/nerve disorders (muscular dystrophy, myasthenia gravis), liver disease, kidney disease. This drug may make you dizzy. Alcohol or marijuana can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana. Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). Older adults may be more sensitive to the side effects of this drug, especially constipation, or swelling ankles/feet. During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. This medication passes into breast milk, but is unlikely to harm a nursing infant. Consult your doctor before breast-feeding.

Interactions

DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval. Some products that may interact with this drug include: aliskiren, clonidine, disopyramide, dofetilide, dolasetron, fingolimod, lithium. Other medications can affect the removal of verapamil from your body, which may affect how verapamil works. Examples include erythromycin, rifamycins (such as rifampin), ritonavir, St. John's wort, among others. Verapamil can slow down the removal of other medications from your body, which may affect how they work. Examples of affected drugs include asunaprevir, colchicine, flibanserin, ivabradine, lomitapide, midazolam, triazolam, among others. Some products have ingredients that could raise your heart rate or blood pressure. Tell your pharmacist what products you are using, and ask how to use them safely (especially cough-and-cold products, diet aids, or NSAIDs such as ibuprofen/naproxen).

Overdose

OVERDOSE: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: very slow heartbeat, severe dizziness, fainting.

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Faq for VERAPAMIL - ORAL

Verapamil is an oral medication used for treating high blood pressure, chest pain (angina), and certain heart rhythm disorders (arrhythmias).

Verapamil works by relaxing and widening blood vessels, which helps to lower blood pressure and improve blood flow to the heart. It also helps to regulate the heart's electrical activities, preventing irregular heartbeats.

Common side effects of verapamil may include constipation, dizziness, headache, nausea, low heart rate, and swelling of ankles or feet. However, not everyone experiences these side effects.

Verapamil should only be used during pregnancy if it is clearly needed. It is important to consult with your healthcare provider before taking verapamil if you are pregnant or planning to become pregnant.

Yes, verapamil can interact with other medications, including but not limited to beta-blockers, antiarrhythmics, blood pressure medications, and certain antibiotics. It is essential to inform your doctor about all the medications you are taking to avoid any potential drug interactions.

Verapamil should be taken exactly as prescribed by your healthcare provider. The dosage and frequency of administration will vary depending on the condition being treated. It is usually taken orally with or without food, but it is crucial to follow the instructions provided by your doctor.

It is generally not recommended to consume alcohol while taking verapamil as it may increase the risk of side effects such as dizziness or fainting. It is best to discuss with your healthcare provider regarding alcohol consumption while on this medication.

If you forget to take a dose of verapamil, take it as soon as you remember. However, if it is close to the time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not double the dose.

Verapamil is generally not known to have significant interactions with specific foods. However, grapefruit or grapefruit juice should be avoided as it can increase the levels of verapamil in the blood, leading to potential side effects.



Disclaimer

IMPORTANT: HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.